Open Access

Table 2

Rock mechanical properties of rock mass, FDFN, and NFs.

Rock mass parameter Unit Value
Density kg/m3 2600
Elastic modulus GPa 24
Poisson’s ratio 0.25
Cohesion MPa 2
Friction angle Degree 35
Tension strength MPa 1
Fracture parameters FDFN NFs
Normal stiffness GPa/m 350 20
Shear stiffness GPa/m 140 10
Cohesion MPa 2 0
Friction angle Degree 35 20
Tension strength MPa 1 0.01

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